Finding the Fourth Proportional to 16,640,844.80, 24,919,276.80 and 13,281,612.80
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Solution
The fourth proportional to 16,640,844.80, 24,919,276.80 and 13,281,612.80 is: 19,888,905.26
Step by Step Solution
- Step 1: Write the proportion equation
16,640,844.80 : 24,919,276.80 = 13,281,612.80 : x - Step 2: Convert to fraction form
16,640,844.80/24,919,276.80 = 13,281,612.80/x - Step 3: Cross multiply
16,640,844.80x = 24,919,276.80 × 13,281,612.80 - Step 4: Simplify right side
16,640,844.80x = 330,968,185,713,623.06 - Step 5: Solve for x
x = 330,968,185,713,623.06/16,640,844.80 - Step 6: Final answer
x = 19,888,905.26
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.